/// <summary>
/// run cmd and specify the running condition. If running condition is not met, process will be terminated.
/// </summary>
public static int RunCmd(string cmd, string args, out string stdout, out string stderr, RunningCondition rc, object rcArg)
{
Test.Logger.Verbose("Running: {0} {1}", cmd, args);
ProcessStartInfo psi = new ProcessStartInfo(cmd, args);
psi.CreateNoWindow = true;
psi.WindowStyle = ProcessWindowStyle.Hidden;
psi.UseShellExecute = false;
psi.RedirectStandardError = true;
psi.RedirectStandardOutput = true;
Process p = Process.Start(psi);
// To avoid deadlock between Process.WaitForExit and Process output redirection buffer filled up, we need to async read output before calling Process.WaitForExit
StringBuilder outputBuffer = new StringBuilder();
p.OutputDataReceived += (sendingProcess, outLine) =>
{
if (!String.IsNullOrEmpty(outLine.Data))
{
outputBuffer.Append(outLine.Data + "\n");
}
};
StringBuilder errorBuffer = new StringBuilder();
p.ErrorDataReceived += (sendingProcess, outLine) =>
{
if (!String.IsNullOrEmpty(outLine.Data))
{
errorBuffer.Append(outLine.Data + "\n");
}
};
p.BeginOutputReadLine();
p.BeginErrorReadLine();
DateTime nowTime = DateTime.Now;
DateTime timeOut = nowTime.AddMilliseconds(RUNCMD_TIMEOUT_MS);
while (rc(rcArg))
{
if (p.HasExited)
{
// process has existed
break;
}
else if (timeOut > DateTime.Now)
{
//time out
break;
}
else
{
//continue to wait
Thread.Sleep(100);
}
}
stdout = outputBuffer.ToString();
stderr = errorBuffer.ToString();
if (p.HasExited)
{
Test.Logger.Verbose("Stdout: {0}", stdout);
if (!string.IsNullOrEmpty(stderr)
&& !string.Equals(stdout, stderr, StringComparison.InvariantCultureIgnoreCase))
Test.Logger.Verbose("Stderr: {0}", stderr);
return p.ExitCode;
}
else
{
Test.Logger.Verbose("--Command timed out!");
p.Kill();
Test.Logger.Verbose("Stdout: {0}", stdout);
if (!string.IsNullOrEmpty(stderr)
&& !string.Equals(stdout, stderr, StringComparison.InvariantCultureIgnoreCase))
Test.Logger.Verbose("Stderr: {0}", stderr);
return int.MinValue;
}
}
/// <summary>
/// run cmd and specify the running condition. If running condition is not met, process will be terminated.
/// </summary>
public static int RunCmd(string cmd, string args, out string stdout, out string stderr, RunningCondition rc, object rcArg)
{
Test.Logger.Verbose("Running: {0} {1}", cmd, args);
ProcessStartInfo psi = new ProcessStartInfo(cmd, args);
psi.CreateNoWindow = true;
psi.WindowStyle = ProcessWindowStyle.Hidden;
psi.UseShellExecute = false;
psi.RedirectStandardError = true;
psi.RedirectStandardOutput = true;
Process p = Process.Start(psi);
// To avoid deadlock between Process.WaitForExit and Process output redirection buffer filled up, we need to async read output before calling Process.WaitForExit
StringBuilder outputBuffer = new StringBuilder();
p.OutputDataReceived += (sendingProcess, outLine) =>
{
if (!String.IsNullOrEmpty(outLine.Data))
{
outputBuffer.Append(outLine.Data + "\n");
}
};
StringBuilder errorBuffer = new StringBuilder();
p.ErrorDataReceived += (sendingProcess, outLine) =>
{
if (!String.IsNullOrEmpty(outLine.Data))
{
errorBuffer.Append(outLine.Data + "\n");
}
};
p.BeginOutputReadLine();
p.BeginErrorReadLine();
DateTime nowTime = DateTime.Now;
DateTime timeOut = nowTime.AddMilliseconds(RUNCMD_TIMEOUT_MS);
while (rc(rcArg))
{
if (p.HasExited)
{
// process has existed
break;
}
else if (timeOut > DateTime.Now)
{
//time out
break;
}
else
{
//continue to wait
Thread.Sleep(100);
}
}
stdout = outputBuffer.ToString();
stderr = errorBuffer.ToString();
if (p.HasExited)
{
Test.Logger.Verbose("Stdout: {0}", stdout);
if (!string.IsNullOrEmpty(stderr) &&
!string.Equals(stdout, stderr, StringComparison.InvariantCultureIgnoreCase))
{
Test.Logger.Verbose("Stderr: {0}", stderr);
}
return(p.ExitCode);
}
else
{
Test.Logger.Verbose("--Command timed out!");
p.Kill();
Test.Logger.Verbose("Stdout: {0}", stdout);
if (!string.IsNullOrEmpty(stderr) &&
!string.Equals(stdout, stderr, StringComparison.InvariantCultureIgnoreCase))
{
Test.Logger.Verbose("Stderr: {0}", stderr);
}
return(int.MinValue);
}
}
